This is a list of Characters in the Grand Theft Auto series, listed J-K, and lists characters by surname. When surnames are not available, first names are used and then nicknames. To find characters whose names are known but are better known by nicknames (such as Melvin Harris, known better as Big Smoke), you can use the Find function. To access this, press the Control (Ctrl) and F keyboard buttons at the same time.

Some characters listed appear in other Rockstar Games titles, such as Manhunt, but are listed here as they are in so way related to the Grand Theft Auto series. The characters listed either appear or are mentioned in a Grand Theft Auto game. The games are written as short hand IDs, which are as follows:

Hsin Jaoming is the seventy-three year old leader of one of the Jaoming Family, a Triad group in Liberty City. He is the father of Chan Jaoming. The LCPD suspect him of numerous murders. He was arrested in 2002 for extortion, in 2004 for assault and in 2005 for racketeering.

Jeff is, in 2008, a resident of Liberty City who hires Niko Bellic to spy on his wife, who he thinks is cheating on him. He later kills his wife and has Niko dispose of her body. He remarries but suspects his second wife is cheating on him also. He is killed whilst crossing the street to confront his wife.

Bobby Jefferson is, in 2008, a former Secretary of Security Enforcement in Liberty City who has fallen under the influence of some Russian criminals in the city. Jon Gravelli has Niko Bellic protect Jefferson on his way to a speech.

Jimmy is a football star who asks Ned Burner for help, as his career is about to be ruined by reports stating he used performance enhancing drugs. Burner later hires Toni Cipriani to collect evidence about steroid use in sports.

Cam Jones is a kleptomaniac safecracker who resides in Vice City. He owns his own business, Cam's Can Openers. In 1986 he was arrested by the VCPD after he was spotted running down the street with a safe he could not crack. Tommy Vercetti busts him out and Cam helps Tommy in a bankrobbery. Cam can be killed by the player or by law enforcement officials, although he can also survive.

Jerry Kapowitz is, in 2008, a homeless veteran living at the dump in Liberty City, where he comes into possession of the diamonds from the mission Diamonds Are a Girl's Best Friend. Despite over one hundred people contesting Kapowitz' ownership of the diamonds, Mayor Julio Ochoa allows Kapowitz to keep all the proceeds from the diamonds' sale.

Karen, also known as Michelle, is an undercover government official who poses as Niko Bellic's girlfriend. She may have a criminal past and breaks off her relationship with Niko after she reveals she is a government official working for United Liberty Paper

Asuka Kasen is the co-leader of the Yakuza from 2000 to 2001, along with her brother Kenji, and then sole leader between Kenji's death and her own. She hires Mike in 2000/2001 but has her trust betrayed. She is a friend of Maria, who introduces her to Claude, who she then hires. Asuka is killed by Catalina for attempting to exact revenge for her brothers death. She is also the sister of Kazuki, sister-in-law of Toshiko and aunt of Yuka.

Kazuki Kasen is the leader of the Yakuza in 1998. He moved the Yakuza into Liberty City and began storing weapons. However, the Yakuza are severly weakened by Toni Cipriani working on the orders of Kazuki's wife Toshiko. Kazuki is killed by Toni on the orders of Toshiko. Kazuki is the brother of Asuka and Kenji. Kazuki may be the father of Yuka.

Toshiko Kasen is the wife of Kazuki Kasen who hires Toni Cipriani to get back at her husband for neglecting her. She later has Toni kill Kazuki. Toshiko is the sister-in-law of Asuka and Kasen. She may be the mother of Yuka.

Ernest Keigel is the fictional and stereotypically snarky and fast-talking Time Ranger whose penis is a time machine. When he masturbates he travels through time, ending up in a randomly chosen time and location. He is the star of The Time Ranger show on VCPR.

Brucie Kibbutz is a thirty-one year old fitness enthusiast and steroid user who runs a garage in East Hook, Broker, Liberty City. Kibbutz hires Niko Bellic to kill Lyle and Tom Rivas. Niko stops working for him after learning that he is a legitimate business owner. Brucie also has Niko steal cars from around the city.

Hilary King is an expert getaway driver with child abandonment issues and is neurotic. Tommy Vercetti hires him as the getaway driver for a bank robbery. Hilary is killed by SWAT officers during the robbery.

Bonnie Knight is one of the fictional stars of the Angel and the Knight television show. She is a recovering alcoholic ninja who lives and works with Chris Van Angel. She will, if necessary, sleep to the truth.